Add Fly.io deployment for the HTTP worker

Dockerfile builds the vgi-easter-http server (uv, python 3.13-slim) listening on
:8080; fly.toml deploys it to iad with scale-to-zero. VGI_SIGNING_KEY is a Fly
secret. Deployed at https://vgi-easter-python.fly.dev.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: rustyconover

.dockerignore

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+.git
+.github
+.venv
+dist
+htmlcov
+assets
+ci
+tests
+test
+__pycache__
+*.pyc
+.mypy_cache
+.pytest_cache
+.ruff_cache
+.DS_Store
+fly.toml

Dockerfile

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+# Copyright 2026 Query Farm LLC - https://query.farm
+#
+# Container for the easter VGI worker's HTTP transport (`vgi-easter-http`).
+# DuckDB clients ATTACH it over http:// — see README.
+FROM ghcr.io/astral-sh/uv:python3.13-bookworm-slim
+
+WORKDIR /app
+ENV UV_COMPILE_BYTECODE=1 \
+    UV_LINK_MODE=copy
+
+# Install dependencies first (cached layer), then the project itself.
+COPY pyproject.toml uv.lock ./
+RUN uv sync --frozen --no-dev --no-install-project
+
+COPY README.md LICENSE easter_worker.py serve.py ./
+RUN uv sync --frozen --no-dev
+
+ENV PATH="/app/.venv/bin:$PATH"
+
+# Fly routes external traffic to this internal port (see fly.toml).
+EXPOSE 8080
+CMD ["vgi-easter-http", "--host", "0.0.0.0", "--port", "8080", "--log-format", "json"]

fly.toml

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+# Copyright 2026 Query Farm LLC - https://query.farm
+#
+# Fly.io deployment for the easter VGI worker's HTTP transport. DuckDB clients
+# attach it over https://vgi-easter-python.fly.dev — e.g.
+#   INSTALL vgi FROM community; LOAD vgi;
+#   ATTACH 'easter' (TYPE 'vgi', LOCATION 'https://vgi-easter-python.fly.dev');
+#
+# VGI_SIGNING_KEY is provided as a Fly secret (set via `fly secrets set`).
+app = "vgi-easter-python"
+primary_region = "iad"
+
+[build]
+
+[http_service]
+  internal_port = 8080
+  force_https = true
+  # Scale to zero: stop when idle, auto-start on the next request.
+  auto_stop_machines = "stop"
+  auto_start_machines = true
+  min_machines_running = 0
+
+[[vm]]
+  size = "shared-cpu-1x"
+  memory = "512mb"